The ever-escalating civil war in the skeptic community is perhaps being won by a sophisticated sort of troll. In the meanwhile, the possibility of debate is ever more constrained, and prejudices are simply entrenched.
Kahneman and Tversky’s work on decision-making and judgement, and particularly heuristics, highlight the ways in which we make systematic errors even when we think we are being rational. If we’re to learn from each other and flourish as a society, it’s worth being reminded that we’re far less equipped to make the judgements we so routinely do than we think we are.
The problem with Breivik is not Islamophobia, or “Christophobia”, but rather that belief systems with no warrant encourage and legitimate you to interpret them however you please. This is one possible consequence of this epistemic laxness, and moderate religious folk can’t wish this problem away.